Home / 7,177.92-10,763.04-3,278.88

Finding the Fourth Proportional to 7,177.92, 10,763.04 and 3,278.88

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Solution

The fourth proportional to 7,177.92, 10,763.04 and 3,278.88 is: 4,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.92 : 10,763.04 = 3,278.88 : x
  2. Step 2: Convert to fraction form
    7,177.92/10,763.04 = 3,278.88/x
  3. Step 3: Cross multiply
    7,177.92x = 10,763.04 × 3,278.88
  4. Step 4: Simplify right side
    7,177.92x = 35,290,716.60
  5. Step 5: Solve for x
    x = 35,290,716.60/7,177.92
  6. Step 6: Final answer
    x = 4,916.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.